Australia's Outback communities rely on the water in the Great Artesian Basin, deep underground, for their water supply. But some now worry the aquifer is being drawn down too quickly. If it ever went dry, it would leave a whole host of Outback communities without a nearby water supply.

Australia's Outback communities rely on the water in the Great Artesian Basin, deep underground, for their water supply. But some now worry the aquifer is being drawn down too quickly. If it ever went dry, it would leave a whole host of Outback communities without a nearby water supply.

Australia's Outback communities rely on the water in the Great Artesian Basin, deep underground, for their water supply. But some now worry the aquifer is being drawn down too quickly. If it ever went dry, it would leave a whole host of Outback communities without a nearby water supply.